Begonia hatacoa

Begonia hatacoa is a species of flowering plant in the family Begoniaceae, native to Tibet, Nepal, the eastern Himalayas, Assam, Bangladesh, Myanmar, Thailand, and Vietnam. Its best-known cultivar is 'Silver'.

Subtaxa
The following varieties are accepted:
 * Begonia hatacoa var. hatacoa
 * Begonia hatacoa var. meisneri (Wall. ex C.B.Clarke) Golding – Assam